134420980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 287234640

約数和(自身を除く): 152813660

約数列:

[1, 2, 4, 5, 10, 20, 109, 197, 218, 313, 394, 436, 545, 626, 788, 985, 1090, 1252, 1565, 1970, 2180, 3130, 3940, 6260, 21473, 34117, 42946, 61661, 68234, 85892, 107365, 123322, 136468, 170585, 214730, 246644, 308305, 341170, 429460, 616610, 682340, 1233220, 6721049, 13442098, 26884196, 33605245, 67210490, 134420980]

約数ペア:

[(1, 134420980), (2, 67210490), (4, 33605245), (5, 26884196), (10, 13442098), (20, 6721049), (109, 1233220), (197, 682340), (218, 616610), (313, 429460), (394, 341170), (436, 308305), (545, 246644), (626, 214730), (788, 170585), (985, 136468), (1090, 123322), (1252, 107365), (1565, 85892), (1970, 68234), (2180, 61661), (3130, 42946), (3940, 34117), (6260, 21473)]